Add settings page for managing forecasting API key and URL via UI

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/node_modules/es-toolkit/dist/compat/util/toFinite.js

@@ -0,0 +1,24 @@
+const require_toNumber = require("./toNumber.js");
+//#region src/compat/util/toFinite.ts
+/**
+* Converts `value` to a finite number.
+*
+* @param value - The value to convert.
+* @returns Returns the number.
+*
+* @example
+* toFinite(3.2); // => 3.2
+* toFinite(Number.MIN_VALUE); // => 5e-324
+* toFinite(Infinity); // => 1.7976931348623157e+308
+* toFinite('3.2'); // => 3.2
+* toFinite(Symbol.iterator); // => 0
+* toFinite(NaN); // => 0
+*/
+function toFinite(value) {
+	if (!value) return value === 0 ? value : 0;
+	value = require_toNumber.toNumber(value);
+	if (value === Infinity || value === -Infinity) return (value < 0 ? -1 : 1) * Number.MAX_VALUE;
+	return value === value ? value : 0;
+}
+//#endregion
+exports.toFinite = toFinite;